> an adversary just needs to track the timestamps of various blocks Does an adversary necessarily have knowledge of every time a block is added to the system?

> an adversary just needs to track the timestamps of various blocks Does an adversary necessarily have knowledge of every time a block is added to the system? > you can narrow down the uploader to a set of at most N people, where N is the number of blocks I would expect N to be greater than 1000, and I don't think a 1 in 1000 chance of someone being the uploader is reasonable suspicion.